internal Account(string name, OpeningDate myDate, ClientAddress address, double balance)
{
this.Id = (++serialNo).ToString();
this.Name = name;
this.MyDate = myDate;
this.Address = address;
this.Balance = balance;
}
internal Savings(string name, OpeningDate myDate, ClientAddress address, double balance) : base(name, myDate, address, balance)
{
}